Willow Tree
Number Properties
The number of basic algebraic properties can become overwhelming for learners. A lesson plan explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to...
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
Curated OER
Investigation-Reasoning and Proof
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
Curated OER
Using Fact Families
For this math worksheet, students write two addition problems and two subtraction problems for each fact family. Students also write in the missing addition or subtraction sign and answer 6 questions about a word problem.
CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.
Education World
Got the Time? (Math Word Problems)
Upper graders work with peers to solve word problems related to time and independently solve word problems that involve calculating time. They will show their ability to solve and work through mathematical operations. A worksheet is...
Curated OER
Lesson Design Protocol: Add and Subtract
Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.
Curated OER
NUMB3RS - Season 2 - "Convergence" - Air Hockey
Learn how to use a matrix to organize data to solve a problem. This activity uses wins and losses to rank players for an air hockey tournament they wish to have. After practicing some basic matrix operations the class could do the...
Curated OER
Mental Math: 5 a Day
This is a really cool math resource! There are nineteen different slides containing five math problems each. They are intended to be used as daily math warm ups and address skills such as, addition, problem solving, missing addends, word...
Curated OER
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Curated OER
Basic Subtracting
First graders solve math problems. In this subtraction lesson, 1st graders use Smarties to compare addition and subtraction. Students complete math problems where they solve basic subtraction questions.
Curated OER
Naming Numbers
In this addition and subtraction fact families worksheet, 1st graders write five fact family answers for each of six numbers. In a sample problem, students are instructed to find names for 8. The sample answers are 4+4 and 11-3.
Curated OER
Add and Subtract within 100- Matching Worksheet
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
Curated OER
More or Less Pigs in the Pen
Kindergarteners practice basic addition and subtraction. In this math instructional activity, students sing a song about pigs on a farm to help them understand the concept of adding and subtracting things together. Some excellent...
Curated OER
Real Life Problems-- Addition and Subtraction Word Problems
In this math worksheet, students use basic addition and subtraction to solve 20 real life word problems. Some strategies are given on the page. This is from the UK; money is in pounds and pence.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Operations with Integers (I)
In this integer operations practice worksheet, students sharpen their math skills as they solve 28 problems that require them to add, subtract, multiply, and divide integers.
Curated OER
Operations with Integers (F)
In this integer operations practice worksheet, students sharpen their math skills as they solve 28 problems that require them to add, subtract, multiply, and divide integers.
Curated OER
Operations with Integers (H)
In this integer operations practice worksheet, students sharpen their math skills as they solve 28 problems that require them to add, subtract, multiply, and divide integers.
Curated OER
Addition and Subtraction, Multiplication and Division
Students must use their mathematical reasoning skills in order to make four math statements true by filling in the boxes with the correct digits. Addition, subtraction, multiplication, and division problems appear.
Elementary AMC
Earth Day Math
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...
Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
Resources for Educators
Math & Science Connection
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...
Curated OER
Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...